diff --git a/Web/Routes/Wai.hs b/Web/Routes/Wai.hs
--- a/Web/Routes/Wai.hs
+++ b/Web/Routes/Wai.hs
@@ -39,7 +39,7 @@
 
 handleWaiRouteT_ :: (url -> String) -> (String -> Either String url) -> String -> (url -> Request -> RouteT url IO Response) -> Application
 handleWaiRouteT_  toPathInfo fromPathInfo approot handler =
-   handleWai_ toPathInfo fromPathInfo approot (\toPathInfo' url request -> runRouteT (handler url request) toPathInfo') 
+   handleWai_ toPathInfo fromPathInfo approot (\toPathInfo' url request -> unRouteT (handler url request) toPathInfo')
 
 handleWaiRouteT :: (PathInfo url) => String -> (url -> Request -> RouteT url IO Response) -> Application
 handleWaiRouteT approot handler = handleWaiRouteT_ toPathInfo fromPathInfo approot handler
diff --git a/web-routes-wai.cabal b/web-routes-wai.cabal
--- a/web-routes-wai.cabal
+++ b/web-routes-wai.cabal
@@ -1,5 +1,5 @@
 Name:             web-routes-wai
-Version:          0.19.1
+Version:          0.19.2
 License:          BSD3
 License-File:     LICENSE
 Author:           jeremy@seereason.com